Fix vulcan-forms component overrides not working when nested inside formgroups
Fix vulcan-forms component overrides not working when nested inside formgroups

Fix double-applied component-merge proxies not working with Vulcan-Forms.
This caused the no-form-groups override (eg on the moderation guidelines
edit form) to not work.

Discordius/Lesswrong2,Discordius/Lesswrong2,Discordius/Lesswrong2,Discordius/Lesswrong2